From 46f4397bf0718fbaf2cee5b4ffd56d4a36f2c4d8 Mon Sep 17 00:00:00 2001
From: s-over-4
Date: Wed, 21 Jun 2023 16:34:22 -0400
Subject: NO MORE MEMORY LEAKS :D

---
 src/include/lexer.h |  1 -
 src/include/token.h |  1 +
 src/lexer.c         |  5 +++--
 src/main.c          | 45 ++++++++++++++++++++-------------------------
 src/token.c         |  6 +++++-
 5 files changed, 29 insertions(+), 29 deletions(-)

(limited to 'src')

diff --git a/src/include/lexer.h b/src/include/lexer.h
index 200be5d..a65f119 100644
--- a/src/include/lexer.h
+++ b/src/include/lexer.h
@@ -34,5 +34,4 @@ extern token_t*   lexer_collect              (lexer_t* lexer, int (*end_char)(ch
 extern token_t*   lexer_get_directive        (lexer_t* lexer);
 extern token_t*   lexer_get_keyword          (lexer_t* lexer);
 
-
 #endif
diff --git a/src/include/token.h b/src/include/token.h
index 5fe9d35..a2a47bc 100644
--- a/src/include/token.h
+++ b/src/include/token.h
@@ -51,5 +51,6 @@ int token_char_pound(char c);
 int token_char_colon(char c);
 int token_char_kywrd(char c);
 
+void token_destroy(token_t* token);
 
 #endif
diff --git a/src/lexer.c b/src/lexer.c
index 9734f99..776b043 100644
--- a/src/lexer.c
+++ b/src/lexer.c
@@ -18,7 +18,6 @@ lexer_t* lexer_init(char* content) {
 }
 
 void lexer_destroy(lexer_t* lexer) {
-   free(lexer->content);
    free(lexer);
 }
 
@@ -92,7 +91,7 @@ token_t* lexer_get_next_token(lexer_t* lexer) {
             return token_init(TOKEN_EOF, lexer_get_c_as_string(lexer)); 
             break;
          default:
-            return lexer_next_token(lexer, TOKEN_UNKNOWN);
+            return token_init(TOKEN_UNKNOWN, lexer_get_c_as_string(lexer));
       }
    }
 
@@ -132,6 +131,8 @@ token_t* lexer_collect(lexer_t* lexer, int (*end_char)(char), int fskip, int lsk
       memcpy(token + len, current, sizeof(char) * strlen(current));
       len += sizeof(char) * strlen(current);
       lexer_next(lexer);
+
+      free(current);
    }
 
    if (lskip) { lexer_next(lexer); }
diff --git a/src/main.c b/src/main.c
index 915078f..a054b16 100644
--- a/src/main.c
+++ b/src/main.c
@@ -7,48 +7,43 @@
 
 
 int main(int argc, char* argv[]) {
-   FILE* fsource;
-   long fsource_size;
-   char* source;
+   FILE*    fsource;
+   long     fsource_size;
+   char*    source;
+   lexer_t* lexer;
+   int      in_file;
 
    fsource = fopen(argv[1], "rb");
-   if (!fsource) { 
-      die("source file not found");
-   };
-
+   if (!fsource)                                      { free(fsource); die("source file not found"); };
    fseek(fsource, 0L, SEEK_END);
    fsource_size = ftell(fsource);
    rewind(fsource);
-
    source = calloc(1, fsource_size + 1);
-
-   if (!source) { 
-      fclose(fsource); 
-      die("calloc failed");
-   }
-
-   if (1 != fread(source, fsource_size, 1, fsource)) {
-      fclose(fsource); 
-      free(source);
-      die("could not read source");
-   }
-
+   if (!source)                                       { fclose(fsource); free(source); die("calloc failed"); }
+   if (1 != fread(source, fsource_size, 1, fsource))  { fclose(fsource); free(source); die("could not read source"); }
    log_inf("source file loaded");
 
-   lexer_t* lexer = lexer_init(source);
+   lexer = lexer_init(source);
    log_inf("lexer created");
 
    log_inf("BEGIN INPUT");
    log_raw(lexer->content);
    log_inf("END INPUT");
 
-   token_t* token = NULL;
+   in_file = 1;
+
+   while (in_file) {
+      token_t* token;
+
+      token = lexer_get_next_token(lexer);
+      log_inf("token type: [%02d]\t\ttoken value: [%s]", token->type, token->value);
+      (token->type == TOKEN_EOF) && (in_file = 0);
 
-   while ((token = lexer_get_next_token(lexer)) != NULL) {
-      log_inf("token type: [%s]\t\ttoken value: [%s]", token_get_type(token->type), token->value);
-      free(token);
+      token_destroy(token);
    }
 
+   // clean up
+   lexer_destroy(lexer);
    fclose(fsource);
    free(source);
 
diff --git a/src/token.c b/src/token.c
index b89096a..9b23810 100644
--- a/src/token.c
+++ b/src/token.c
@@ -2,7 +2,6 @@
 
 #include "include/token.h"
 
-
 // token constructor
 token_t* token_init(int type, char* val) {
    token_t* token = calloc(1, sizeof(struct TOKEN_STRUC));
@@ -126,3 +125,8 @@ int token_char_grave(char c) { return (c != '`'); }
 int token_char_pound(char c) { return (c != '#'); }
 int token_char_colon(char c) { return (c != ':'); }
 int token_char_kywrd(char c) { return (char_could_split_keyword(&c)); }
+
+void token_destroy(token_t* token) {
+   free(token->value);
+   free(token);
+}
-- 
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